According to Aristotle, it is difficult to ,be virtuous if you aren't in the habit of being virtuous. He notes that if you aren't virtuous, vice is a source of pleasure, but if you are virtuous, vice is a source of pain. Thus, the more virtuous...

Aristotle makes it clear that the number of people with whom one can sustain the kind of relationship he calls a perfect friendship is quite small (IX.10). Even if one lived in a city populated entirely by perfectly virtuous citizens, the number...